Home / 109,176.24-150,651-61,446

Finding the Fourth Proportional to 109,176.24, 150,651 and 61,446

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Solution

The fourth proportional to 109,176.24, 150,651 and 61,446 is: 84,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,176.24 : 150,651 = 61,446 : x
  2. Step 2: Convert to fraction form
    109,176.24/150,651 = 61,446/x
  3. Step 3: Cross multiply
    109,176.24x = 150,651 × 61,446
  4. Step 4: Simplify right side
    109,176.24x = 9,256,901,346
  5. Step 5: Solve for x
    x = 9,256,901,346/109,176.24
  6. Step 6: Final answer
    x = 84,788.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.